“You get what you concentrate upon. There is no other main rule.”

“There are times when you get hit upon, Try hard but you cannot give. Other times you'd gladly part, With what you need to live”

“Write what you like; there is no other rule.”

“On some days you get what you want, and on others, you get what you need.”

“There's a rule, I think. You get what you want in life, but not your second choice too.”

“"So in everything, do to others what you would have them to do to you, for this sums up the war and the prophets." That is the golden rule. Do unto others, what you would have them do to you. That is the golden rule, and it is not very complicated.”

“Here's a rule for whether or not you should take an opportunity: Will taking that opportunity teach you something that you can use to get other opportunities?”

“What if instead of focusing on what you don't have, you concentrate on what you've got?”

“… there are two ways of being unhappy. Not getting what you want is one. Getting what you want is the other.”

“[W]hen you get to Rome you have two other rules to learn: never assume that what you see is what is; never believe that what you're told is the whole truth. It's only when you've grasped that — and the Romans know you've grasped it — that you begin to win respect and make progress.”